Which of these substances does not come from petroleum coal, asphalt, plastics, or gasoline?

In kilometers how much larger is the distance around the earth from east to west than the distance from north to south

The graph below compares the motion of particles in two substances. One substance is a gas and the other is a solid. A bar graph is shown with the title Particle Motion. The y axis title is Particle Speed. The x axis title is Substance.

If 5.738 grams of AgNO3 is mixed with 4.115 grams of BaCl2 and allowed to react according to the balanced equation: BaCl2 (aq) + 2 AgNO3 (aq) → 2 AgCl (s) + Ba (NO3) 2 (aq) What is the limiting reagent?

If I have a 200 L container filled with nitrogen at a pressure of 1.0 atm, how many moles of nitrogen are present at 25 C? 0 Select one: O a. 0,085 moles O b. 81.8 moles O C. 19.3 moles O d. 8.18 moles

Which planet has a very dense atmosphere primarily composed of carbon dioxide making it the hottest planet a. Venus b. Uranus c. Jupiter d. earth

To identify an unfamiliar organism, you could use a field guide and an

What is the value of Kw at 25°C? 1.0 x 10-14 1.0 x 10-7 1 7 14

Which statement best describes a bacterial cell? A It contains more than one cell. B It is a complete organism. C It is part of a larger organism. D It contains different kinds of cells

Lithium (Li) and oxygen (O) are both in period 2. They both have? a. similar properties b. the same number of protons c. two electron shells d. the same number of electrons

What compares a law and a theory?